Premium 4-Inch Aluminum Oxide Flap Disc for Metal Grinding
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Product Highlights
- Multi-Application Versatility: Ideal for grinding stainless steel, paint, ferrous/non-ferrous metals, wood, and plastics.
- High Performance Abrasives: Features Zirconia, Aluminium oxide, and Calcined Aluminium oxide for superior cutting.
- Durable Backing Options: Available in Strong Fiber glass, Plastic, Iron metal, and Titanium Alloy for heavy duty use.
- Wide Grit Range: Offers grit sizes from 40# to 320# for various grinding and polishing needs.
- Certified Quality: CE, RoHS, and ISO 9001 certified ensuring safety, environmental compliance, and quality.
- Customization Available: Offers full customization, minor customization, and customization from designs or samples.
- Advanced Inspection: Utilizes 5-axis inspection and XRF analyzers for micron-level accuracy and material verification.
- Fast Delivery: 7-10 days for stock items, 20-30 days for custom orders depending on quantity.
Product Attributes
- Customization
- Available
- Standard
- 2inch
- Material
- Zirconia
- Grit
- 60#
- Type
- T27&T29
- Usage
- Metal Surface Grinding and Polishing,Weld Seams
- Package
- PVC Pouch
- Transport Package
- Carton or Pallet
- Specification
- 100mm
- Trademark
- SUBORUI
- Origin
- China
- HS Code
- 8202390000
- Package Size
- 50.00cm * 40.00cm * 60.00cm
- Package Gross Weight
- 10.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Premium 4-Inch Aluminum Oxide Flap Disc for Metal Grinding
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Premium 4-Inch Aluminum Oxide Flap Disc for Metal Grinding -
Premium 4-Inch Aluminum Oxide Flap Disc for Metal Grinding -
Premium 4-Inch Aluminum Oxide Flap Disc for Metal Grinding -
Premium 4-Inch Aluminum Oxide Flap Disc for Metal Grinding -
Premium 4-Inch Aluminum Oxide Flap Disc for Metal Grinding
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Product Description
Dimension (Outer Dia.*Hole Dia.) | Shape | Grit | abrasive grain | Backing plate | Max Speed | Packing Qty. | ||
(MM) | (INCH) | Type | R.P.M | M/S | (pcs/CTN) | |||
100X16 | 4"X5/8" | T27 / T29 | 40#~320# | Aluminium oxide /Calcined Aluminium oxide/Zirconia Aluminium/Silicon carbide/Corundum composite abrasive | Strong Fiber glass /Plastic /Iron metal /Titanium Alloy | 15200 | 80 | 300 |
115X22 | 4.5"X7/8" | T27 / T29 | 40#~320# | 13300 | 80 | 200 | ||
125X22 | 5"X7/8" | T27 / T29 | 40#~320# | 12200 | 80 | 200 | ||
150X22 | 6"X7/8" | T27 / T29 | 40#~320# | 10200 | 80 | 150 | ||
180X22 | 7"X7/8" | T27 / T29 | 40#~320# | 8600 | 80 | 100 | ||
Every twist drill is rigorously validated for flawless performance, delivering unmatched precision that meets global industrial standards.
standards.
20+ Patents: Recognized for innovative designs in drill geometry, coatings, and performance optimization.
CE: Complies with EU safety, health, and environmental standards.
RoHS: Ensures our products are free from hazardous substances, aligning with global environmental regulations.
ISO 9001: Demonstrates our adherence to international quality management standards.
Factory Certifications:
BSCI: Validates our commitment to ethical labor practices and social responsibility. ICS: Confirms our sustainable and compliant manufacturing processes.
We specialize in producing a wide range of twist drill products, including:
Standard Twist Drills: For general-purpose drilling in wood, plastic, and soft metals. Industrial-Grade Twist Drills: Engineered for high-performance applications in hardened steel, stainless steel, and alloys. Customized Solutions: Tailored drills based on client specifications (material, coating, geometry, or packaging). Whether you need bulk orders or specialized designs, we deliver precision and reliability.
Our MOQ varies depending on the product type, specifications, and packaging requirements. To get a tailored solution, please contact our sales team. We'll respond promptly with a detailed proposal that fits your needs.
Contact our sales team directly and they will provide you with product catalogues, quotations and order processing services.
Our twist drills are certified with CE (EU safety compliance), RoHS (Restriction of Hazardous Substances), and ISO 9001 (quality management). The RoHS certification guarantees our products are free from harmful substances like lead and mercury, aligning with global environmental standards. We prioritize both performance and sustainability.
Yes, our products are produced strictly in accordance with international and industry standards.We have advanced production equipment and quality control systems to ensure product quality and consistency.
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI254220". Items marked "
" are certified.
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Company Profile
SUBORUI - Your Trusted Partner in Precision Drilling Solutions
Company Overview
SUBORUI is a leading manufacturer of high-performance twist drills and cutting tools, specializing in HSS drill bits, wood drill bits, and annular cutters for global industrial, construction, and woodworking sectors. With 18 years of expertise, we have established ourselves as a strategic supplier to renowned brands across Europe, North America, South America, and the Middle East. Our 20, 000-square-meter advanced facility, staffed by 200 skilled professionals, integrates cutting-edge technology, rigorous quality control, and customer-centric innovation to deliver tools that redefine precision and reliability.
Our Legacy: 18 Years of Excellence
Founded in 2005, SUBORUI began as a small workshop dedicated to producing HSS tools for local markets. Today, we are a globally recognized exporter with an annual turnover exceeding RMB 100 million, serving clients in over 30 countries. Our growth is rooted in three pillars:
Innovation: Over 20 patented technologies in drill bit geometry, coating, and material science.
Quality: ISO 9001-certified processes and 100% pre-shipment inspection.
Customer Focus: Tailored solutions for OEM/ODM projects, from prototyping to mass production.
Advanced Manufacturing Capabilities
State-of-the-Art FacilityOur 20, 000-square-meter factory houses CNC-controlled production lines that ensure micron-level precision and repeatability:
CNC Grinding Machines: For precise flute geometry and cutting edge sharpness.
Heat Treatment Systems: Vacuum hardening furnaces to achieve optimal hardness (HRC 62-68).
Automated Packaging Lines: Customizable packaging (blister packs, bulk cartons, or branded boxes).
Strict Quality ControlEvery tool undergoes a 5-stage inspection protocol:
Raw Material Testing: Spectrometer verification of HSS grade (M2/M35/M42).
Dimensional Accuracy: Laser measurement of diameter, helix angle, and concentricity.
Hardness Verification: Rockwell hardness testing for consistency.
Performance Testing: Drilling trials on steel/wood samples to validate speed and durability.
Final Audit: 100% visual inspection before packaging.
Customization & Engineering SupportOEM/ODM SolutionsOur technical team collaborates with clients to:
Develop Custom Designs: Submit your sketches, samples, or CAD files - we handle the rest.
Optimize Performance: Enhance tool lifespan or cutting efficiency through material/coating upgrades.
Tailor Packaging: Design retail-ready boxes, multi-language manuals, or eco-friendly materials.
Supply Chain IntegrationBeyond manufacturing, we offer end-to-end support:
Material Sourcing: Secure high-grade HSS steel and carbide at competitive prices.
Logistics Management: FOB, CIF, or DDP terms with real-time shipment tracking.
Global Compliance & SustainabilityCertifications
ISO 9001: Quality management system certification.
CE & RoHS: Compliance with EU safety and environmental standards.
BSCI: Adherence to ethical labor practices and social accountability.
Eco-Friendly Practices
Waste Reduction: 98% of metal scraps are recycled.
Energy Efficiency: Solar-powered lighting and low-emission machinery.
Dedicated Sales & Service Team
24/7 Technical Support: Troubleshooting, product selection guidance, and CAD file analysis.
One-Stop Procurement: Bundle drill bits with complementary tools (taps, saw blades, etc. ).
Market Insights: Trend reports on regional demand (e. g., annular cutters in Middle East construction).
Inventory Solutions: JIT (Just-in-Time) delivery to reduce your storage costs.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Pengzhuang, Zhongxin Community Neighborhood Committee, Houxiang, Danbei Town, Danyang, Zhenjiang, Jiangsu, China
-
Plant Area
- 8000 square meters
-
Number of Employees
- 119
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port, Ningbo Port
-
Minimum Order Quantity
- 500 Pcs
-
Supply Chain Partners
- 58
Our Production Capability & Technical Expertise
- Main Products
- Metal Drill Bit, Wood Drill Bit, Hex Shank Drill Bit, Annular Cutter, SDS Drill Bit, Hole Saw, Saw Blade, HSS Taps, CNC Milling Cutter, Router Bit
-
Production Lines
- 4
-
Production Machines
- Cuting Machine, Instrument Lathe Machine, Grinding Machine, Furrow Grinder Machine, Back Grinder Machine, Tip Grinder Machine, Laser Marking Machine, Machining center
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2007-03-07
-
Export Year
- 8 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- Are you a factory or trading company?
- We are 18 years+ professional manufacturer in drill bit tools industry.Welcome to visit our company.
- What types of products do you manufacture?
- We specialize in producing a wide range of twist drill products, including: Standard Twist Drills: For general-purpose drilling in wood, plastic, and soft metals. Industrial-Grade Twist Drills: Engineered for high-performance applications in hardened steel, stainless steel, and alloys. Customized Solutions: Tailored drills based on client specifications (material, coating, geometry, or packaging). Whether you need bulk orders or specialized designs, we deliver precision and reliability.
- What is your minimum order quantity (MOQ)?
- Our MOQ varies depending on the product type, specifications, and packaging requirements. To get a tailored solution, please contact our sales team. We'll respond promptly with a detailed proposal that fits your needs.
- How do I purchase your products?
- Contact our sales team directly and they will provide you with product catalogues, quotations and order processing services.
- What certifications do your products have? Are they environmentally friendly?
- Our twist drills are certified with CE (EU safety compliance), RoHS (Restriction of Hazardous Substances), and ISO 9001 (quality management). The RoHS certification guarantees our products are free from harmful substances like lead and mercury, aligning with global environmental standards. We prioritize both performance and sustainability.
- Do your products meet quality standards?
- Yes, our products are produced strictly in accordance with international and industry standards.We have advanced production equipment and quality control systems to ensure product quality and consistency.
- What is your term of payment?
- 30% by TT in advance,and balance before delivery.
- How long is your delivery time?
- Generally it is 7-10 days,If the goods are in stock.Or it is 20-30 days. If the goods are not in stock,it is according to quantity.
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